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Results tagged with proof-of-work
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user 23024
A proof-of-work (POW) system is an economic measure to deter denial of service attacks and other service abuses such as spam on a network by requiring some work from the service requester, usually meaning processing time by a computer.
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Is PoW an indispensable component in blockchain?
There is an argument that if the Proof-of-Work (PoW) mechanism is removed from the Bitcoin network or if the puzzle does not have a sufficient level of difficulty proportional to the computing power o …
- 2,700
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Is Ethereum 2.0 (Sharding Ethereum) only PoS based? Or a combination of PoW + PoS?
Does Ethereum 2.0 (Sharded Ethereum) only use PoS (Proof-of-stake) for consensus mechanism ?
Or
Does it use a combination of PoW + PoS ?
- 30.2k
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Resources of a miner's reward in Ethereum?
To compensate the miner who could solve the PoW as the first one, they will receive some coins as a reward for keeping them motivated due to the costs related to mining process (electricity and hardw …
- 2,700
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1
answer
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Is "Proof-of-work" a subset of "Byzantine fault tolerance (BFT)"?
Can we say that Proof-of-work is a type of Byzantine fault tolerance (BFT) ? In other words, is PoW a subset of BFT ? Or they are two different categories?
Please note that there is a similar questio …
- 2,577
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vote
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answer
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What is the "main" difference between consensus mechanism of Bitcoin and Ethereum?
Bitcoin and Ethereum both use proof-of-work (PoW) consensus mechanism. One of differences between Bitcoin Pow and Ethereum PoW is difficulty level, meaning that while in bitcoin block generation rate …
- 1,327